Home / 5,408.20-8,113.57-2,288.49

Finding the Fourth Proportional to 5,408.20, 8,113.57 and 2,288.49

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Solution

The fourth proportional to 5,408.20, 8,113.57 and 2,288.49 is: 3,433.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.20 : 8,113.57 = 2,288.49 : x
  2. Step 2: Convert to fraction form
    5,408.20/8,113.57 = 2,288.49/x
  3. Step 3: Cross multiply
    5,408.20x = 8,113.57 × 2,288.49
  4. Step 4: Simplify right side
    5,408.20x = 18,567,787.66
  5. Step 5: Solve for x
    x = 18,567,787.66/5,408.20
  6. Step 6: Final answer
    x = 3,433.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.